The more common types of acne on the lower right side of the face are folliculitis and acne, both of which have different symptoms and causes, as follows: 1. Folliculitis: Folliculitis is an inflammatory papule or papule centered on a hair follicle, sometimes with a pustule on top, surrounded by a red halo, mainly caused by Staphylococcus aureus infection when the follicle is damaged. Mild cases can heal on their own, but in the case of severe acne, it is prone to recurrence and scarring. The acne can be treated with retinoic acid medication, and the remaining pigmentation and scarring can be removed with a laser. Patients usually need to pay attention to rest, avoid staying up late, maintain a light diet, and reduce the intake of high-sugar, spicy and greasy foods. Pay attention to facial cleanliness and proper moisturizing.